Solved: Scores on an IQ test are normally distributed. A
Chapter 6, Problem 3E(choose chapter or problem)
Scores on an IQ test are normally distributed. A sample of 25 IQ scores had variance \(s^2=64\). The developer of the test claims that the population variance is \(\sigma^2=225\). Do these data provide sufficient evidence to contradict this claim?
Equation Transcription:
Text Transcription:
s^2=64
sigma^2=225
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